64102775

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{21191}}^1$

素因数の和:21223

約数の個数: 18

約数和(自身を含む): 87374616

約数和(自身を除く): 23271841

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 21191, 105955, 233101, 529775, 1165505, 2564111, 5827525, 12820555, 64102775]

約数ペア:

[(1, 64102775), (5, 12820555), (11, 5827525), (25, 2564111), (55, 1165505), (121, 529775), (275, 233101), (605, 105955), (3025, 21191)]